OpenTechnical

OT-2026-000033838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033838) never changes.

Identity and time

Publication numberOT-2026-000033838 · never reused
Internal UUID01a0ae75-a391-72f2-a286-0b8cb76ed604 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033838
StatusPUBLIC

Content hashes

Canonical text875ebf685b2975013cbbf57c4b7d24f3c5fe7d000c09c5351ad053c76d6e0ec6
Markdownf07e9090a5c1ad024f54b9ae1c9c8832bae3d65769fd0b826005a43d195f0b1b
PDF
Publication page419d234d8c05ca98837b6a86a0ca0eac5817a3085ccc0233e22f2059004993b5
Manifest3b72c3b3f26c1cc749eaa31754309a4cb4ddd451b6521044e92510cbfc6bbc6b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturernWGZrZTtC3XUz70ZT0DyI3kZWHNok/uJsQxjpy64Ogg75eAlBp57ydtmhRqTiszYK3BveNHOW5+nkrw8KeaDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:53.620156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033838
observed 419d234d8c05ca98837b6a86a0ca0eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.602568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033838/manifest.json
observed 3b72c3b3f26c1cc749eaa31754309a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.586432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033838/publication.md
observed f07e9090a5c1ad024f54b9ae1c9c8832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.567259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033838/publication.txt
observed 875ebf685b2975013cbbf57c4b7d24f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.